Description
Overview
The Mars 43066 is a reliable On/Off diaphragm-type gas valve engineered for precision gas flow control in commercial and residential HVAC heating applications. Designed for 24VAC operation, this valve delivers consistent, dependable performance with a rapid-opening response and internal bleed design that simplifies installation and system integration.
Key Features
- Valve Type: On/Off Diaphragm Gas Valve
- Operating Voltage: 24VAC
- Pipe Size: 1-1/2″
- Flow Capacity: 2,300 CFH
- Flow Configuration: Straight Through, Non-Offset
- Pilot Tapping: 1/8″-27 NPT
- Pressure Rating: 1/2 PSI
- Mounting Orientation: Upright or Horizontal
- Opening Action: Rapid Opening
- Bleed Type: Internal Bleed
- Maximum Valve Opening Time: 6 Seconds
Design & Performance
The straight-through, non-offset body design promotes smooth, unrestricted gas flow while minimizing pressure drop across the valve. The internal bleed configuration eliminates the need for external bleed lines, reducing installation complexity and potential leak points. Rapid opening action ensures quick response to thermostat or control system demand, supporting efficient system startup and operation.
Installation
The 1/8″-27 NPT pilot tapping provides a convenient connection point for pilot gas supply. Flexible upright or horizontal mounting orientation accommodates a wide range of equipment configurations. The 1/2 PSI pressure rating makes this valve suitable for standard low-pressure gas systems.
Applications
- Commercial and residential gas-fired heating equipment
- Furnaces and boilers requiring 1-1/2″ gas valve connections
- Systems demanding high-capacity gas flow up to 2,300 CFH
- Replacement or upgrade of existing on/off gas valves
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